1, supply and demand. Futures trading is the product of market economy, so its price changes are affected by the relationship between market supply and demand. When supply exceeds demand, futures prices fall; On the contrary, futures prices will rise. ?

2. Economic cycle. In the futures market, price changes are also affected by the economic cycle, and price fluctuations will occur at all stages of the economic cycle. ?

3. Government policies. Some policies and measures formulated by governments of various countries will have different degrees of influence on the futures market price.

In the face of changes in commodity prices, producers generally:

1, adjust the production scale (expand or reduce the scale);

2. Improve labor productivity (reduce individual labor time);

3. Promote enterprises to produce marketable products (to meet the needs of consumers);

The three contents of the influence of price changes on production and operation are actually three manifestations of the law of value. Adjusting the scale of production is from "increasing or decreasing output"; Improving labor productivity is based on "reducing costs"; The production of marketable high-quality products is based on "improving quality".